The topic of the zero sum game came up recently in a forum discussion in which I was taking part. I thought the subject would be something worth posting on, so here goes. The point about zero sum game is that there are position holders on both sides of the trade and that the gain on one side represents a loss on the other side. This is true of forex and futures and some other types of markets, but it is not true of a market like stocks and other actual assets. In the stock market when you go long you are simply buying something,...